William SylvesterSam Slade Christopher RhodesMcCartin Joseph O'ConorProf. Hendricks Bruce SetonProf. Flaherty Maurice KaufmannRadio Reporter Basil DignamAdmiral Brooks Tommy DugganFirst Naval Officer Nigel GreenBulletin Announcer (Uncredited) Robert L. RichardsScreenplay Maurice KingExecutive Producer James LeicesterAssociate Producer Frank KingExecutive Producer Elliot ScottArt Direction Freddie YoungDirector Of Photography Stella MorrisMakeup Artist Angelo Francesco LavagninoOriginal Music Composer 
